Demountable rim.



Patented June 9, 1914 2 SHEETS-SHEET 1.

94 S. GOGDPELLOW.

DEMOUNTABIJB RIM.

APPLIOATIFON FILED FEB. B, 1912. RENEWED ,I'EB. 3, 1914. 1,099,173,

2 BHBETB-SHEET 2.

Patented June 9,1914.

G. S. GOODFBLLOW.

DEMOUNTABLE 111m.

APPLICATION FILED IBB. 8, 1912. RENEWED FEB. 3, 19141 a 1 LPN H T p m flid Y D STATES PATENT OFFICE.

CHARLES S. GOODIELIUOW, OI JERSEY CITY, NEW JERSEY, ASSIGNOR T0 ALBERTHIG SON A'NDGUST AV H. MARTENS, BOTH OE JERSEY CITY, NEW JERSEY.

DEMOUNKIIKIBLE RIM.

Specification of Letters Patent.

Patented June a, 1914..

Application aflledFebmai-y-a, 1912, Serial No. 676,201e Renewed February3, 1914. Serial No. 816,297.

biles and similar vehicles; -and it consists. generally 1n providlng awheel with atsec tional rim, one of the sections being secured tothe-folly of the wheel and the othen-in which the pneumatictire-is-seated, being detachably secured upon the fixed-section, so thatby a slight circumferential movement and a similar outward lateralmovement the detachable section may be easily and quickly removed andthe tire, carried by said detachable section, readily demounted.

The invention further consists in the novel and peculiar construction ofthe two sections composing the rim, and the means by which the fixed anddetachable sectionsare united together.

The invention still further consists in providing a suitable housing forthe locking means to protect the operative. parts ofthe locking meansfrom dirt, snow orme. And the invention still further consists in thegeneral arrangement-and combination of the several parts, as will behereinafter fully described 'in this specification and briefly stated inthe claims.

One of the chief objects of the invention is to so construct a sectionalrim that upon a proper movement of one section upon the other the twosections will be securely locked against lateral and circumferentialmovementwithout the use of bolts, clamps or other locking devices commonin the art.

Another object of the invention is to provide the fixed section with aslightly inclined outer periphery, so as to facilitate the operation ofattaching the detachable section thereto, and to provide each section,at one side thereof, with a circumferentialfiange or rib to serve asstops to limit the lateral movementof thedetachable section in onedirection.

Still another object of the invention is to so arran e the two sectionsthat the detachable sections will be supported at equidistant pointsupon the fixed section so as to provide sufficient vibration. betweensaid points of support toprevent any tendency of the parts adheringtogether.

Still another object of the invention is to provide an efiicient lockingmeans to lock the hicle, showing a portion of a pneumatic tireseatedtherein; Fig. 2, a plan view, partly in transverse section, of the innerperipher of a portion of the sectional rim and felly; *ig. 3, a similarview of the detachable section; Fig. 4. a plan view of the innerperiphery of a portion of the sectional rim, showing the valve tube;Fig. 5, a central transverse section of Fig. 4; Fig. 6, a transversesection through the felly and sectional rim, showing the locking meansinclosed by a housing; and Figs. 7 and 8,transverse sections of thefixed and detachable sections of the rim, showing modified constructionsof the same.

Referring to the several views, the letter A indicates thefelly of anordinary aut mobile wheel to which my rim'is applied, said rimcomprising two circumferential sections or members B and D, the member Bbeing rigidly secured to the folly by any suitable means, such as bolts25, passing through holes a, Figs. 1 and 2. The outer periphery of themember B is slightly inclincd or beveled transversely, as shown at 13Figs. 2,- 6 and 8, and is provided at one side with a circumferentialflange or rib J to serve as a-stop or an abutment Wall B to limit thelateral. movement of the detachable rim l). The outer periphery of saidmember 13 is also provided with a number of ri ht angle depressions B,the entrance to which is shown at c in the inner edge of the memher, asshown in Figs. 1. and 8. The longitudinal portion of the depressions issituated midway between the side edges of the memof that portion of thedepression indicated by the numeral &,the member D will be supportedslightlyabove the surface of the fixed member, so as to provide forsuificient v1- 7 bration to maintain the two-members inseparated-position. These studs may be secured inholes in thedetachablemember, as shown in Figs. 2 and 3, or. they may be integral with themember, as shown in Fig. 7 One edge of the detachable rimis providedwith. a depending flange or rib 12 to abut agalnst the: inner edge 13 ofthe fixed member, as shown in Figs. 1, 2, 4, '5 and 8, and its oppo-'site edge isprovided with a circumferential rabbet to receive the flangeor rib 'J of the fixed member. Passing through both members of the rimis alright angle slot J", similar in shape to the depressions B,

' through which slot the air-tube 17 passes,

a corrwponding slot being cut throughthe felly, as showh'in Figs. 4 and5, for the passageof Fsaidair-tube, the slot in the folly beingclosed'by a plate 15,'which is centrally 1 perforated to-admit'thepassage'of the an;-

tube,which is screwed into a nut 16. The detachable member is providedwith the usual side flanges which hold the pneumatic tire 5, as showninFig. 1, and entirely covers the fixed member.

In attaching the demountable rim to the wheel itis tilted to bring thelateral portion of the slot J, indicated by thenumeral 7, in line withthe air-tube, which-is then insorted through-said lateral portion of theslot and the detachable member shoved in place upon thefixed member; thedetachable member is then moved circumferem tially to causetheinterlocking studs to move to the extreme endof' that portion of thedepressions indicated at 4, and to bring the air-tube at theextreme endof that'por'tion of the slot J indicated at 7 which, when accomplished,the detachable or demountable rim will be locked againstlaterr'tlf-nrove-- ment, and frictionally. held by the efiect producedby the impinging contact-Jot the studs on the inclined wallfl3 ofthedepressions.

' To firmly lock the detachable rim against circumferential I movementupon the fixed ,rim I provide a locking trigger f pivoted. between studs72 and b'-,and'he1d in locking engagement witlif 'slots 2 and2, seeIfiigs. 1

mount the. rim.

and 6, by means of a suitable spring 72 preferably composed of twocoilsg and g united by a cross bar 1 and having its free ends'h' secured inholes 6 in the respective studs 6 Y and b.- The outer end of the triggeris provided with a head 23 which is adapted.-

to be forced into the slots 2 and 2 when in registered position by thetension force of the spring h. The slot 2 is made in the edge 13 of thefixed rim B and the slot 2- in the detachable rim, and when brought intoregistered position, by the circumferential movement of the detachableor demountable rim, both, slots form a catch or keeper for the head 23of the trigger. In demount ing the rim it is onlynecessary to disengagethe trigger head from its seat,which can be accomplished by forcing thefree end of the trigger. inward-against the uniting bar of the spring.The studs z and i are firmly secured u on a plate a which is fastened toi the felly y screws a, as show-11in Figs 1, 2 and 6 andtheworkingparts'of the lock are preferably inclose'd by a suitablehousing F attached to the felly by screws, as shown in dotted lines inFig.6. The front wall 8 of the housing is-provided with a centralvertical opening 0 which is normally closed by a cam lever'mpivoted at'0" in the side walls of the housing, as shown in Figs'l 5 and 6. Thecam lever is held in normally K closed position by the tension force ofthe g spring h acting upon the cam head 8- through the medium of theinner end of the trigger, as shown iniFigrfi.

In operation, the trigger head is disengaged' from its seat in the,detachable'rim cam lever outward untilthe center of the cam facehead Simpinges against the inner end ofthe trigger,- which operation willforce said inner end against the tension force of the spring, freeingthe head 23 from its andffixed rib by pulling the free end of the iengagement with its locking seat. When the center of cam face head is'bearing are against the inner end of the trigger, the latr ter will beheld against the'tensionforce of the spring k, permitting thedemountable rim to be circumfereutially moved to free the studs 6 fromthe longitudinal-portion a is 4 of the interlocking depressions. and theair-tube from the longitudinal'portion 8- I of the slot 7, and laterallymoved-to de It will,be noted as drivers th'e rim, andcannot be furthermoved by'Ianycause to jam or becomet'set or distorted, andwhile the head23'is seated in the registered :slots 2 and 2, acrossthe g that the'-.int rlhck in f studs, when moved into lockingposition, act g path ofrotation, he shook wouldLresultfrom a reversal of the direction of rota-"tion, and: as the parts are hardened and fit close togetherthere is nocircumferential vibration. It'will also be noted that by the said firstlever in its outward position.

novel construction of the reversely inclined adjacent faces of the rimmembers any water which may enter between the faces will 'be quicklythrown out at the hi hest oint or circumferential diameter by t e veocity of the traveling wheel, and it will also be noted that thedemountable rim bearing surface is reduced to a minimum of contact, thelarger portion of the contact being lateral and the smaller portionbeing circumferential, and that all parts are subject to radialvibration, that is, vibration between the studs, except directly beneaththe studs and their cylindrical sides which are in contact with theinclined wall of the longitudinal portion of the depressions. Thus aslight jar in the path of opposite rotation will cause the separation ofthe members as soon as the head 23 of the trigger is forced out ofengagement with its locking seat without the aid of powerful leverappliances to efi'ect their contrary rotation.

Referring to Figs. 7 and 8, the fixed rim member may have its right.angle depressions formed by press and die. After the interior has beenmachine finished the memher is placed betweensuitable dies'and subjectedto the action of electric heat all of the depressions beingsystematically distanced and formed, after which the depending portionR, see Fig. 8, is dressed ofi' flush with the inner surface of themember. The demountable member may be in a like manner operated upon informing the interlocking studs 6 as shown in Fig. 7 after the member hasbeen properly machined and the projections :left integral therewith.

Having thus fully described my invention, what I claim is:

1. A demountable rim for vehicle wheels, comprising a member secured tothe felly,a detachable member mounted upon and entirely covering thefixed member means for locking the two members together to preventlateral movement of the detachable member, said members havingregistering slots in one edge thereof, a pivoted lever having a headadapted to enter said slots and lock the detachable member againstcircumferential movement, means to normally hold said lever in engaement with said slots and a second lever a apted to beturned againstsaid lever to swing the first lever out of engagement with said slotsand hold 2. In a demountable rim the combination with afixed and amovable member, said to enter said slots and hold the movable memberagainst circumferential movement and. a second lever adapted to beturned against said lever to swin said first lever out of engagementwith said slots and lock said first lever in its outward position.

3. In a demountable rim the combination with a fixed and movable member,said members having registering slots therein, of a pivoted lever oneend of which is adapted to enter said slots and lock the memberstogether, means to normally hold said lever seated in the slots and alever having a cam thereon adapted to' be turned against said lockinglever to move the locking lever out of engagement with said slots andhold the locking lever in its outward position.

4. A demountable rim for vehicle wheels, comprising a fixed memberprovided with interlocking right angle depressions a detachable memberprovided with interlockin studs adapted to enter the depressions an lockthe detachable member against lateralmovement a spring pressed leverprovided with a locking head, registering slots or recesses in thedetachable member and the fixed rim adapted to receive the locking head,when said slots are in registered sition, to lock the detachable mem oragainst circumferential movement and a second lever to swing the firstlever out of engagement with sa1d slots and hold the first lever in itsoutward position. v

5. A demountable rim for vehicle wheels, comprising a fixed memberhaving right an le depressions, a detachable member provided withinterlocking studs adapted to enter the depressions and lock thedetachable member against lateral movement, a sprin pressed leverprovided with a lockin hea slots or recesses in the detachable me randthe outer edge of the fixed rim ada ted to register with each other andreceive t e looking head to lock the detachable member againstcircumferential movement, a cam lever adapted to unlock the springpressed lo ver from its engagement with the registered slots, and ahousing for the locking mechanlsm.

CHAS. S. GOODFELLOW.

Witnesses:

C. RIBBON ALLEN, An. B. Gnrrrrrn.

